added register feature for user with db safe

package.json

@@ -14,6 +14,9 @@
   },
   "dependencies": {
     "@prisma/client": "^6.19.0",
+    "@radix-ui/react-checkbox": "^1.3.3",
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
+    "@radix-ui/react-label": "^2.1.8",
     "@radix-ui/react-slot": "^1.2.3",
     "@supabase/ssr": "^0.7.0",
     "class-variance-authority": "^0.7.1",
@@ -21,10 +24,15 @@
     "dotenv": "^17.2.3",
     "lucide-react": "^0.552.0",
     "next": "16.0.1",
+    "next-themes": "^0.4.6",
     "prisma": "^6.19.0",
     "react": "19.2.0",
     "react-dom": "19.2.0",
-    "tailwind-merge": "^3.3.1"
+    "react-icons": "^5.5.0",
+    "sonner": "^2.0.7",
+    "tailwind-merge": "^3.3.1",
+    "zod": "^4.1.12",
+    "zustand": "^5.0.8"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",

src/app/(auth)/login/page.tsx

@@ -0,0 +1,7 @@
+import LoginView from "@/src/modules/auth/ui/views/login-view";
+
+const Login = () => {
+  return <LoginView />;
+};
+
+export default Login;

src/app/(auth)/register/admin/page.tsx

@@ -0,0 +1,7 @@
+import RegisterAdminView from "@/src/modules/auth/ui/views/register-admin-view";
+
+const RegisterAdmin = () => {
+  return <RegisterAdminView />;
+};
+
+export default RegisterAdmin;

src/app/(auth)/register/user/page.tsx

@@ -0,0 +1,7 @@
+import RegisterUserView from "@/src/modules/auth/ui/views/register-user-view";
+
+const RegisterUser = () => {
+  return <RegisterUserView />;
+};
+
+export default RegisterUser;

src/app/(main)/dashboard/page.tsx

@@ -0,0 +1,5 @@
+const Dashboard = () => {
+  return <div>Du hast dich erfolgreich eingeloggt</div>;
+};
+
+export default Dashboard;

src/app/api/auth/register/route.ts

@@ -0,0 +1,71 @@
+import { supabaseServer } from "@/src/lib/supabaseClient";
+import { prisma } from "@/src/lib/prisma";
+import { NextResponse } from "next/server";
+
+/**
+ ** Handles POST request to register and save a User in the DB
+ *
+ *
+ * @param {Request} request - Incoming HTTP request containing user data in JSON format
+ * @returns {Promise<NextResponse>} - JSON response with exisiting or newly created user
+ */
+export async function POST(request: Request) {
+  try {
+    const body = await request.json();
+    const { email, password, name, birthday, plz, city, street, houseNumber, gender } = body;
+
+    if (!email || !password || !name) {
+      return NextResponse.json({ error: "Pflichtfelder fehlen" }, { status: 400 });
+    }
+
+    const { data, error } = await supabaseServer.auth.signUp({
+      email,
+      password,
+      options: {
+        emailRedirectTo: "http://localhost:3000/login",
+        data: {
+          name,
+          gender,
+        },
+      },
+    });
+
+    if (error) {
+      console.error("❌ Supabase Auth Error:", error.message);
+      return NextResponse.json({ error: error.message }, { status: 400 });
+    }
+
+    const supabaseUser = data.user;
+    if (!supabaseUser) {
+      return NextResponse.json({ error: "User konnte nicht erstellt werden" }, { status: 500 });
+    }
+
+    // Check if User exists in the DB
+    const existingUser = await prisma.user.findUnique({
+      where: { email },
+    });
+
+    if (existingUser) {
+      return NextResponse.json({ user: existingUser }, { status: 200 });
+    }
+
+    const newUser = await prisma.user.create({
+      data: {
+        id: supabaseUser.id,
+        name,
+        email,
+        birthday: birthday ? new Date(birthday) : null,
+        plz,
+        city,
+        street,
+        houseNumber,
+        gender,
+      },
+    });
+
+    return NextResponse.json({ user: newUser }, { status: 201 });
+  } catch (error) {
+    console.error("Error in /api/auth/register:", error);
+    return NextResponse.json({ error: "Internal Server Error" }, { status: 500 });
+  }
+}

src/app/globals.css

@@ -41,6 +41,9 @@
   --radius-md: calc(var(--radius) - 2px);
   --radius-lg: var(--radius);
   --radius-xl: calc(var(--radius) + 4px);
+  --color-white: #ffffff;
+  --color-blue: #1e293b;
+  --color-yellow: #f4c00c;
 }
 
 :root {

src/app/layout.tsx

@@ -1,15 +1,10 @@
 import type { Metadata } from "next";
-import { Geist, Geist_Mono } from "next/font/google";
+import localFont from "next/font/local";
 import "./globals.css";
+import { Toaster } from "../components/ui/sonner";
 
-const geistSans = Geist({
-  variable: "--font-geist-sans",
-  subsets: ["latin"],
-});
-
-const geistMono = Geist_Mono({
-  variable: "--font-geist-mono",
-  subsets: ["latin"],
+const salmondFont = localFont({
+  src: "../public/font/salmond.woff",
 });
 
 export const metadata: Metadata = {
@@ -23,8 +18,18 @@ export default function RootLayout({
   children: React.ReactNode;
 }>) {
   return (
-    <html lang="en">
-      <body className={`${geistSans.variable} ${geistMono.variable} antialiased`}>{children}</body>
+    <html lang="en" className={salmondFont.className}>
+      <body className={`antialiased`}>
+        <main>{children}</main>
+        <Toaster
+          toastOptions={{
+            style: {
+              background: "#1E293B",
+              color: "#F4C00C",
+            },
+          }}
+        />
+      </body>
     </html>
   );
 }

src/components/layout/DropdownComponent.tsx

@@ -0,0 +1,57 @@
+"use client";
+import {
+  DropdownMenu,
+  DropdownMenuGroup,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuItem,
+} from "../ui/dropdown-menu";
+import { Input } from "../ui/input";
+import { Label } from "../ui/label";
+import { ChevronDown } from "lucide-react";
+
+interface DropdownComponentProps {
+  label: string;
+  selected: string;
+  onSelect: (value: string) => void;
+  error?: string;
+}
+
+const DropdownComponent: React.FC<DropdownComponentProps> = ({
+  label,
+  selected,
+  onSelect,
+  error,
+}) => {
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger asChild>
+        <div className="relative w-full">
+          <Label className="p-1 mb-2 text-blue text-lg font-semibold">{label}</Label>
+          <Input
+            className="h-[50px] border-blue rounded-xl w-full cursor-pointer pr-10"
+            value={selected}
+            readOnly
+          />
+          <ChevronDown
+            className="absolute right-3 top-[75%] transform -translate-y-1/2 text-blue pointer-events-none"
+            size={24}
+          />
+          {error && <p className="text-red-500 text-sm mt-1">{error}</p>}
+        </div>
+      </DropdownMenuTrigger>
+      <DropdownMenuContent>
+        <DropdownMenuGroup>
+          <DropdownMenuItem onSelect={() => onSelect("")} className="text-gray-500">
+            Auswahl löschen
+          </DropdownMenuItem>
+          <DropdownMenuItem onSelect={() => onSelect("Men")}>Männlich</DropdownMenuItem>
+          <DropdownMenuItem onSelect={() => onSelect("Woman")}>Weiblich</DropdownMenuItem>
+          <DropdownMenuItem onSelect={() => onSelect("Various")}>Divers</DropdownMenuItem>
+        </DropdownMenuGroup>
+      </DropdownMenuContent>
+    </DropdownMenu>
+  );
+};
+
+export default DropdownComponent;

src/components/layout/InputComponent.tsx

@@ -0,0 +1,45 @@
+import { Label } from "../ui/label";
+import { Input } from "../ui/input";
+
+interface InputProps {
+  label?: string;
+  type: string;
+  id: string;
+  isLabel?: boolean;
+  placeholder?: string;
+  onChange?: (e: React.ChangeEvent<HTMLInputElement>) => void;
+  value?: string;
+  error?: string;
+}
+
+const InputComponent: React.FC<InputProps> = ({
+  label,
+  type,
+  id,
+  placeholder,
+  isLabel,
+  onChange,
+  value,
+  error,
+}) => {
+  return (
+    <div>
+      {isLabel && (
+        <Label htmlFor={type} className="p-1 mb-2 text-blue text-lg font-semibold">
+          {label}
+        </Label>
+      )}
+      <Input
+        type={type}
+        id={id}
+        placeholder={placeholder}
+        onChange={onChange}
+        value={value}
+        className="h-[50px] border-blue rounded-xl w-full"
+      />
+      {error && <p className="text-red-500 text-sm mt-1">{error}</p>}
+    </div>
+  );
+};
+
+export default InputComponent;

src/components/ui/button.tsx

@@ -9,13 +9,14 @@ const buttonVariants = cva(
   {
     variants: {
       variant: {
-        default: "bg-primary text-primary-foreground hover:bg-primary/90",
+        default:
+          "bg-blue text-yellow font-bold text-md drop-shadow-lg hover:scale-105 transition-all cursor-pointer",
         destructive:
-          "bg-destructive text-white hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60",
+          "bg-destructive text-white shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60",
         outline:
           "border bg-background shadow-xs hover:bg-accent hover:text-accent-foreground dark:bg-input/30 dark:border-input dark:hover:bg-input/50",
         secondary:
-          "bg-secondary text-secondary-foreground hover:bg-secondary/80",
+          "bg-secondary text-secondary-foreground shadow-xs hover:bg-secondary/80",
         ghost:
           "hover:bg-accent hover:text-accent-foreground dark:hover:bg-accent/50",
         link: "text-primary underline-offset-4 hover:underline",
@@ -25,8 +26,6 @@ const buttonVariants = cva(
         sm: "h-8 rounded-md gap-1.5 px-3 has-[>svg]:px-2.5",
         lg: "h-10 rounded-md px-6 has-[>svg]:px-4",
         icon: "size-9",
-        "icon-sm": "size-8",
-        "icon-lg": "size-10",
       },
     },
     defaultVariants: {

src/components/ui/card.tsx

@@ -0,0 +1,92 @@
+import * as React from "react"
+
+import { cn } from "@/src/lib/utils"
+
+function Card({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card"
+      className={cn(
+        "bg-card text-card-foreground flex flex-col gap-6 rounded-xl border py-6 shadow-sm",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function CardHeader({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-header"
+      className={cn(
+        "@container/card-header grid auto-rows-min grid-rows-[auto_auto] items-start gap-2 px-6 has-data-[slot=card-action]:grid-cols-[1fr_auto] [.border-b]:pb-6",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function CardTitle({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-title"
+      className={cn("leading-none font-semibold", className)}
+      {...props}
+    />
+  )
+}
+
+function CardDescription({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-description"
+      className={cn("text-muted-foreground text-sm", className)}
+      {...props}
+    />
+  )
+}
+
+function CardAction({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-action"
+      className={cn(
+        "col-start-2 row-span-2 row-start-1 self-start justify-self-end",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function CardContent({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-content"
+      className={cn("px-6", className)}
+      {...props}
+    />
+  )
+}
+
+function CardFooter({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="card-footer"
+      className={cn("flex items-center px-6 [.border-t]:pt-6", className)}
+      {...props}
+    />
+  )
+}
+
+export {
+  Card,
+  CardHeader,
+  CardFooter,
+  CardTitle,
+  CardAction,
+  CardDescription,
+  CardContent,
+}

src/components/ui/checkbox.tsx

@@ -0,0 +1,32 @@
+"use client"
+
+import * as React from "react"
+import * as CheckboxPrimitive from "@radix-ui/react-checkbox"
+import { CheckIcon } from "lucide-react"
+
+import { cn } from "@/src/lib/utils"
+
+function Checkbox({
+  className,
+  ...props
+}: React.ComponentProps<typeof CheckboxPrimitive.Root>) {
+  return (
+    <CheckboxPrimitive.Root
+      data-slot="checkbox"
+      className={cn(
+        "peer border-input dark:bg-input/30 data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground dark:data-[state=checked]:bg-primary data-[state=checked]:border-primary focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive size-4 shrink-0 rounded-[4px] border shadow-xs transition-shadow outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50",
+        className
+      )}
+      {...props}
+    >
+      <CheckboxPrimitive.Indicator
+        data-slot="checkbox-indicator"
+        className="grid place-content-center text-current transition-none"
+      >
+        <CheckIcon className="size-3.5" />
+      </CheckboxPrimitive.Indicator>
+    </CheckboxPrimitive.Root>
+  )
+}
+
+export { Checkbox }

src/components/ui/dropdown-menu.tsx

@@ -0,0 +1,257 @@
+"use client"
+
+import * as React from "react"
+import * as DropdownMenuPrimitive from "@radix-ui/react-dropdown-menu"
+import { CheckIcon, ChevronRightIcon, CircleIcon } from "lucide-react"
+
+import { cn } from "@/src/lib/utils"
+
+function DropdownMenu({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Root>) {
+  return <DropdownMenuPrimitive.Root data-slot="dropdown-menu" {...props} />
+}
+
+function DropdownMenuPortal({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Portal>) {
+  return (
+    <DropdownMenuPrimitive.Portal data-slot="dropdown-menu-portal" {...props} />
+  )
+}
+
+function DropdownMenuTrigger({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Trigger>) {
+  return (
+    <DropdownMenuPrimitive.Trigger
+      data-slot="dropdown-menu-trigger"
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuContent({
+  className,
+  sideOffset = 4,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Content>) {
+  return (
+    <DropdownMenuPrimitive.Portal>
+      <DropdownMenuPrimitive.Content
+        data-slot="dropdown-menu-content"
+        sideOffset={sideOffset}
+        className={cn(
+          "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 max-h-(--radix-dropdown-menu-content-available-height) min-w-[8rem] origin-(--radix-dropdown-menu-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border p-1 shadow-md",
+          className
+        )}
+        {...props}
+      />
+    </DropdownMenuPrimitive.Portal>
+  )
+}
+
+function DropdownMenuGroup({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Group>) {
+  return (
+    <DropdownMenuPrimitive.Group data-slot="dropdown-menu-group" {...props} />
+  )
+}
+
+function DropdownMenuItem({
+  className,
+  inset,
+  variant = "default",
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Item> & {
+  inset?: boolean
+  variant?: "default" | "destructive"
+}) {
+  return (
+    <DropdownMenuPrimitive.Item
+      data-slot="dropdown-menu-item"
+      data-inset={inset}
+      data-variant={variant}
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/10 dark:data-[variant=destructive]:focus:bg-destructive/20 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuCheckboxItem({
+  className,
+  children,
+  checked,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.CheckboxItem>) {
+  return (
+    <DropdownMenuPrimitive.CheckboxItem
+      data-slot="dropdown-menu-checkbox-item"
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground relative flex cursor-default items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      checked={checked}
+      {...props}
+    >
+      <span className="pointer-events-none absolute left-2 flex size-3.5 items-center justify-center">
+        <DropdownMenuPrimitive.ItemIndicator>
+          <CheckIcon className="size-4" />
+        </DropdownMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </DropdownMenuPrimitive.CheckboxItem>
+  )
+}
+
+function DropdownMenuRadioGroup({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioGroup>) {
+  return (
+    <DropdownMenuPrimitive.RadioGroup
+      data-slot="dropdown-menu-radio-group"
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuRadioItem({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioItem>) {
+  return (
+    <DropdownMenuPrimitive.RadioItem
+      data-slot="dropdown-menu-radio-item"
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground relative flex cursor-default items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      {...props}
+    >
+      <span className="pointer-events-none absolute left-2 flex size-3.5 items-center justify-center">
+        <DropdownMenuPrimitive.ItemIndicator>
+          <CircleIcon className="size-2 fill-current" />
+        </DropdownMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </DropdownMenuPrimitive.RadioItem>
+  )
+}
+
+function DropdownMenuLabel({
+  className,
+  inset,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Label> & {
+  inset?: boolean
+}) {
+  return (
+    <DropdownMenuPrimitive.Label
+      data-slot="dropdown-menu-label"
+      data-inset={inset}
+      className={cn(
+        "px-2 py-1.5 text-sm font-medium data-[inset]:pl-8",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuSeparator({
+  className,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Separator>) {
+  return (
+    <DropdownMenuPrimitive.Separator
+      data-slot="dropdown-menu-separator"
+      className={cn("bg-border -mx-1 my-1 h-px", className)}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuShortcut({
+  className,
+  ...props
+}: React.ComponentProps<"span">) {
+  return (
+    <span
+      data-slot="dropdown-menu-shortcut"
+      className={cn(
+        "text-muted-foreground ml-auto text-xs tracking-widest",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuSub({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Sub>) {
+  return <DropdownMenuPrimitive.Sub data-slot="dropdown-menu-sub" {...props} />
+}
+
+function DropdownMenuSubTrigger({
+  className,
+  inset,
+  children,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.SubTrigger> & {
+  inset?: boolean
+}) {
+  return (
+    <DropdownMenuPrimitive.SubTrigger
+      data-slot="dropdown-menu-sub-trigger"
+      data-inset={inset}
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground data-[state=open]:bg-accent data-[state=open]:text-accent-foreground [&_svg:not([class*='text-'])]:text-muted-foreground flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      {...props}
+    >
+      {children}
+      <ChevronRightIcon className="ml-auto size-4" />
+    </DropdownMenuPrimitive.SubTrigger>
+  )
+}
+
+function DropdownMenuSubContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.SubContent>) {
+  return (
+    <DropdownMenuPrimitive.SubContent
+      data-slot="dropdown-menu-sub-content"
+      className={cn(
+        "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 min-w-[8rem] origin-(--radix-dropdown-menu-content-transform-origin) overflow-hidden rounded-md border p-1 shadow-lg",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export {
+  DropdownMenu,
+  DropdownMenuPortal,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuGroup,
+  DropdownMenuLabel,
+  DropdownMenuItem,
+  DropdownMenuCheckboxItem,
+  DropdownMenuRadioGroup,
+  DropdownMenuRadioItem,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuSub,
+  DropdownMenuSubTrigger,
+  DropdownMenuSubContent,
+}

src/components/ui/input.tsx

@@ -0,0 +1,20 @@
+import * as React from "react"
+
+import { cn } from "@/src/lib/utils"
+
+function Input({ className, type, ...props }: React.ComponentProps<"input">) {
+  return (
+    <input
+      type={type}
+      data-slot="input"
+      className={cn(
+        "file:text-foreground placeholder:text-muted-foreground selection:bg-primary selection:text-primary-foreground dark:bg-input/30 border-input flex h-9 w-full min-w-0 rounded-md border bg-transparent px-3 py-1 text-base shadow-xs transition-[color,box-shadow] outline-none file:inline-flex file:h-7 file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 md:text-lg",
+        "aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Input }

src/components/ui/label.tsx

@@ -0,0 +1,24 @@
+"use client"
+
+import * as React from "react"
+import * as LabelPrimitive from "@radix-ui/react-label"
+
+import { cn } from "@/src/lib/utils"
+
+function Label({
+  className,
+  ...props
+}: React.ComponentProps<typeof LabelPrimitive.Root>) {
+  return (
+    <LabelPrimitive.Root
+      data-slot="label"
+      className={cn(
+        "flex items-center gap-2 text-sm leading-none font-medium select-none group-data-[disabled=true]:pointer-events-none group-data-[disabled=true]:opacity-50 peer-disabled:cursor-not-allowed peer-disabled:opacity-50",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export { Label }

src/components/ui/sonner.tsx

@@ -0,0 +1,40 @@
+"use client"
+
+import {
+  CircleCheckIcon,
+  InfoIcon,
+  Loader2Icon,
+  OctagonXIcon,
+  TriangleAlertIcon,
+} from "lucide-react"
+import { useTheme } from "next-themes"
+import { Toaster as Sonner, type ToasterProps } from "sonner"
+
+const Toaster = ({ ...props }: ToasterProps) => {
+  const { theme = "system" } = useTheme()
+
+  return (
+    <Sonner
+      theme={theme as ToasterProps["theme"]}
+      className="toaster group"
+      icons={{
+        success: <CircleCheckIcon className="size-4" />,
+        info: <InfoIcon className="size-4" />,
+        warning: <TriangleAlertIcon className="size-4" />,
+        error: <OctagonXIcon className="size-4" />,
+        loading: <Loader2Icon className="size-4 animate-spin" />,
+      }}
+      style={
+        {
+          "--normal-bg": "var(--popover)",
+          "--normal-text": "var(--popover-foreground)",
+          "--normal-border": "var(--border)",
+          "--border-radius": "var(--radius)",
+        } as React.CSSProperties
+      }
+      {...props}
+    />
+  )
+}
+
+export { Toaster }

src/components/ui/spinner.tsx

@@ -0,0 +1,16 @@
+import { Loader2Icon } from "lucide-react"
+
+import { cn } from "@/src/lib/utils"
+
+function Spinner({ className, ...props }: React.ComponentProps<"svg">) {
+  return (
+    <Loader2Icon
+      role="status"
+      aria-label="Loading"
+      className={cn("size-4 animate-spin", className)}
+      {...props}
+    />
+  )
+}
+
+export { Spinner }

src/lib/supabaseClient.ts

@@ -1,6 +1,12 @@
 import { createBrowserClient } from "@supabase/ssr";
+import { createClient } from "@supabase/supabase-js";
 
 export const supabaseBrowser = createBrowserClient(
   process.env.NEXT_PUBLIC_SUPABASE_URL!,
   process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!
 );
+
+export const supabaseServer = createClient(
+  process.env.NEXT_PUBLIC_SUPABASE_URL!,
+  process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!
+);

src/modules/auth/store/authFormState.ts

@@ -0,0 +1,74 @@
+import { create } from "zustand";
+
+interface UserRegisterFormState {
+  fullName: string;
+  email: string;
+  password: string;
+  passwordConfirm: string;
+  birthday: string;
+  plz: string;
+  place: string;
+  street: string;
+  gender: string;
+  role: "user" | "admin" | "";
+}
+
+interface AdminRegisterFormState {
+  tel: string;
+  companyName: string;
+  companyPlace: string;
+  companyPLZ: string;
+  companyStreet: string;
+  companyMail: string;
+  companyNumber: string;
+}
+
+interface AuthFormState extends UserRegisterFormState, AdminRegisterFormState {
+  resetForm: () => void;
+  setField: (field: string, value: string) => void;
+}
+
+export const useAuthFormStore = create<AuthFormState>((set) => ({
+  // Common + User fields
+  fullName: "",
+  email: "",
+  password: "",
+  passwordConfirm: "",
+  birthday: "",
+  plz: "",
+  place: "",
+  street: "",
+  gender: "",
+  role: "",
+  // Admin fields
+  tel: "",
+  companyName: "",
+  companyPlace: "",
+  companyPLZ: "",
+  companyStreet: "",
+  companyMail: "",
+  companyNumber: "",
+
+  setField: (field, value) => set((state) => ({ ...state, [field]: value })),
+
+  resetForm: () =>
+    set({
+      fullName: "",
+      email: "",
+      password: "",
+      passwordConfirm: "",
+      birthday: "",
+      plz: "",
+      place: "",
+      street: "",
+      gender: "",
+      role: "",
+      tel: "",
+      companyName: "",
+      companyPlace: "",
+      companyPLZ: "",
+      companyStreet: "",
+      companyMail: "",
+      companyNumber: "",
+    }),
+}));

src/modules/auth/ui/components/AuthButton.tsx

@@ -0,0 +1,15 @@
+interface AuthButtonProps {
+  Icon: React.ComponentType<{ size?: number }>;
+  label: string;
+}
+
+const AuthButton: React.FC<AuthButtonProps> = ({ Icon, label }) => {
+  return (
+    <div className="flex gap-2 py-2 px-3 items-center justify-center rounded-xl border-1 border-blue text-blue w-full sm:w-fit cursor-pointer hover:scale-105 transition-all">
+      <Icon size={20} />
+      <p className="ml-2 mt-1">{label}</p>
+    </div>
+  );
+};
+
+export default AuthButton;

src/modules/auth/ui/components/AuthSidebarComponent.tsx

@@ -0,0 +1,48 @@
+import Image from "next/image";
+import MultiStepProzess from "./MultiStepProzess";
+import Logo from "@/src/public/logo.png";
+import { Card, CardHeader, CardTitle, CardContent, CardFooter } from "@/src/components/ui/card";
+
+interface AuthSidebarComponentProps {
+  title: string;
+  description?: string;
+  footer: string;
+  isSteps?: boolean;
+  step?: number;
+  totalSteps?: number;
+  onStepChange?: (step: number) => void;
+}
+
+const AuthSidebarComponent: React.FC<AuthSidebarComponentProps> = ({
+  title,
+  description,
+  footer,
+  isSteps,
+  step = 1,
+  totalSteps = 2,
+  onStepChange,
+}) => {
+  return (
+    <Card className="bg-blue border-0 w-fit h-full p-6 sm:p-12 flex flex-col justify-between">
+      <CardHeader>
+        <CardTitle>
+          <Image src={Logo} width={150} height={150} alt="Logo" />
+        </CardTitle>
+      </CardHeader>
+      <CardContent className="text-yellow flex flex-col gap-12 min-h-[70vh]">
+        <h1 className="text-3xl lg:text-[40px] max-w-[300px] font-bold mt-8 lg:mt-12">{title}</h1>
+        <p className="text-base">{description}</p>
+        {isSteps && (
+          <MultiStepProzess step={step} totalSteps={totalSteps} onStepChange={onStepChange} />
+        )}
+      </CardContent>
+      <CardFooter>
+        <p className="text-yellow">
+          Bei Fragen: <span className=" cursor-pointer hover:underline">{footer}</span>
+        </p>
+      </CardFooter>
+    </Card>
+  );
+};
+
+export default AuthSidebarComponent;

src/modules/auth/ui/components/MultiStepProzess.tsx

@@ -0,0 +1,37 @@
+import React from "react";
+import MultiStepProzessItem from "./MultiStepProzessItem";
+
+interface MultiStepProzessProps {
+  step: number;
+  totalSteps: number;
+  onStepChange?: (step: number) => void;
+}
+
+const MultiStepProzess: React.FC<MultiStepProzessProps> = ({ step, totalSteps, onStepChange }) => {
+  return (
+    <div>
+      <MultiStepProzessItem
+        stepTitle="Schritt 1"
+        stepDescription="Anmeldedaten"
+        isActive={step == 1}
+        onClick={() => onStepChange?.(1)}
+      />
+      <MultiStepProzessItem
+        stepTitle="Schritt 2"
+        stepDescription="Persönliche Angaben"
+        isActive={step == 2}
+        onClick={() => onStepChange?.(2)}
+      />
+      {totalSteps == 3 && (
+        <MultiStepProzessItem
+          stepTitle="Schritt 3"
+          stepDescription="Geschäftsdaten"
+          isActive={step == 3}
+          onClick={() => onStepChange?.(3)}
+        />
+      )}
+    </div>
+  );
+};
+
+export default MultiStepProzess;

src/modules/auth/ui/components/MultiStepProzessItem.tsx

@@ -0,0 +1,30 @@
+interface MultiStepProzessItemProps {
+  stepTitle: string;
+  stepDescription: string;
+  isActive: boolean;
+  onClick?: () => void;
+}
+
+const MultiStepProzessItem: React.FC<MultiStepProzessItemProps> = ({
+  stepTitle,
+  stepDescription,
+  isActive,
+  onClick,
+}) => {
+  return (
+    <div onClick={onClick} className="w-full flex items-center cursor-pointer  gap-4 mt-6">
+      <div
+        className={`h-full flex justify-center items-center  rounded-full p-5 ${isActive ? "bg-yellow" : "bg-transparent"} border-2 border-yellow`}
+      >
+        <div className={`w-full p-1 rounded-full ${isActive ? "bg-blue" : "bg-yellow"}`}></div>
+      </div>
+
+      <div className={`flex flex-col text-lg justify-center ${isActive && "font-semibold"}`}>
+        <h4>{stepTitle}</h4>
+        <p>{stepDescription}</p>
+      </div>
+    </div>
+  );
+};
+
+export default MultiStepProzessItem;

src/modules/auth/ui/views/login-view.tsx

@@ -0,0 +1,133 @@
+"use client";
+import InputComponent from "@/src/components/layout/InputComponent";
+import AuthButton from "../components/AuthButton";
+import AuthSidebarComponent from "../components/AuthSidebarComponent";
+import { FaGoogle, FaFacebook } from "react-icons/fa";
+import { Button } from "@/src/components/ui/button";
+import { Label } from "@/src/components/ui/label";
+import { Checkbox } from "@/src/components/ui/checkbox";
+import { useState } from "react";
+import { useRouter } from "next/navigation";
+import { supabaseBrowser } from "@/src/lib/supabaseClient";
+import { Spinner } from "@/src/components/ui/spinner";
+
+const LoginView = () => {
+  //TODO: RIGHT LOGIN with Schema etc.
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+  const [remember, setRemember] = useState(false);
+  const [error, setError] = useState("");
+  const [loading, setLoading] = useState(false);
+  const router = useRouter();
+
+  const handleLogin = async () => {
+    setError("");
+    setLoading(true);
+
+    try {
+      const { data, error } = await supabaseBrowser.auth.signInWithPassword({
+        email,
+        password,
+      });
+
+      if (error) {
+        console.error("❌ Login Error:", error.message);
+        setError("E-Mail oder Passwort ist falsch");
+        setLoading(false);
+        return;
+      }
+
+      // Optional: Session speichern
+      if (remember) {
+        localStorage.setItem("since3_remember_me", "true");
+      } else {
+        localStorage.removeItem("since3_remember_me");
+      }
+
+      // Redirect nach Login
+      router.push("/dashboard");
+    } catch (err) {
+      console.error(err);
+      setError("Ein unerwarteter Fehler ist aufgetreten");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="flex min-h-screen">
+      {/* Sidebar */}
+      <div className="hidden lg:flex lg:w-1/6 ">
+        <div className="fixed p-4 left-0 top-0 h-screen w-1/2 z-10">
+          <AuthSidebarComponent
+            title="Deine Reise beginnt hier"
+            description="Werde Teil einer Plattform, die Trainer und Lernende zusammenbringt."
+            footer="info@since3.de"
+          />
+        </div>
+      </div>
+
+      {/* Login-Formular */}
+      <div className="w-full lg:w-5/6 lg:ml-auto flex justify-center items-center min-h-screen px-4">
+        <div className="w-full max-w-lg flex flex-col gap-4 z-20">
+          <h1 className="text-2xl font-extrabold text-blue mb-8 ">Login</h1>
+
+          <InputComponent
+            isLabel
+            label="E-mail Adresse"
+            type="email"
+            id="login-email"
+            value={email}
+            onChange={(e) => setEmail(e.target.value)}
+          />
+          <InputComponent
+            isLabel
+            label="Passwort"
+            type="password"
+            id="login-password"
+            value={password}
+            onChange={(e) => setPassword(e.target.value)}
+          />
+
+          <Button onClick={handleLogin} disabled={loading} className="w-full mt-6">
+            {loading ? <Spinner /> : "Weiter"}
+          </Button>
+
+          <div className="flex flex-col sm:flex-row sm:justify-between w-full mt-6 gap-4 text-sm">
+            <div className="flex items-center gap-2">
+              <Checkbox
+                id="remembering"
+                checked={remember}
+                onCheckedChange={(val: boolean) => setRemember(val)}
+                className="shadow-none h-5 w-5 bg-white border-blue cursor-pointer"
+              />
+              <Label htmlFor="remembering" className="cursor-pointer">
+                Beim nächsten Mal an mich erinnern
+              </Label>
+            </div>
+            <p className="hover:underline cursor-pointer text-blue">Passwort vergessen?</p>
+          </div>
+
+          <hr className="mt-6 border-blue" />
+
+          <div className="flex flex-col sm:flex-row gap-4 mt-4">
+            <AuthButton Icon={FaGoogle} label="Login mit Google" />
+            <AuthButton Icon={FaFacebook} label="Login mit Facebook" />
+          </div>
+
+          <div className="flex flex-col sm:flex-row gap-2 items-center mt-16 text-sm">
+            <p>Ich habe noch keinen Account</p>
+            <p
+              className="text-yellow hover:underline cursor-pointer"
+              onClick={() => router.push("/register")}
+            >
+              Sign Up
+            </p>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default LoginView;

src/modules/auth/ui/views/register-admin-view.tsx

@@ -0,0 +1,7 @@
+"use client";
+
+const RegisterAdminView = () => {
+  return <div>Register Admin View</div>;
+};
+
+export default RegisterAdminView;

src/modules/auth/ui/views/register-user-view.tsx

@@ -0,0 +1,251 @@
+"use client";
+import { useState } from "react";
+import AuthSidebarComponent from "../components/AuthSidebarComponent";
+import InputComponent from "@/src/components/layout/InputComponent";
+import { Button } from "@/src/components/ui/button";
+import AuthButton from "../components/AuthButton";
+import { FaGoogle, FaFacebook } from "react-icons/fa";
+import { useAuthFormStore } from "../../store/authFormState";
+import { userRegisterSchema, userRegisterStep1Schema } from "../../validation/userRegisterSchema";
+import { ZodError } from "zod";
+import DropdownComponent from "@/src/components/layout/DropdownComponent";
+import { Spinner } from "@/src/components/ui/spinner";
+import { toast } from "sonner";
+import { useRouter } from "next/navigation";
+
+const RegisterUserView = () => {
+  const [step, setStep] = useState(1);
+  const [errors, setErrors] = useState<Record<string, string>>({});
+  const [loading, setLoading] = useState(false);
+  const router = useRouter();
+  const formData = useAuthFormStore();
+
+  const handleChange = (field: string, value: string) => {
+    formData.setField(field, value);
+  };
+
+  const handleNext = () => {
+    setErrors({});
+    try {
+      if (step === 1) {
+        userRegisterStep1Schema.parse({
+          fullName: formData.fullName,
+          email: formData.email,
+          password: formData.password,
+          passwordConfirm: formData.passwordConfirm,
+        });
+        setStep(2);
+      }
+    } catch (err) {
+      if (err instanceof ZodError) {
+        const fieldErrors: Record<string, string> = {};
+        err.issues.forEach((issue) => {
+          const path = issue.path[0];
+          if (typeof path === "string") {
+            fieldErrors[path] = issue.message;
+          }
+        });
+        setErrors(fieldErrors);
+      }
+    }
+  };
+
+  const handleRegister = async () => {
+    setErrors({});
+    setLoading(true);
+    try {
+      userRegisterSchema.parse({
+        fullName: formData.fullName,
+        email: formData.email,
+        password: formData.password,
+        passwordConfirm: formData.passwordConfirm,
+        birthday: formData.birthday,
+        plz: formData.plz,
+        place: formData.place,
+        street: formData.street,
+        gender: formData.gender,
+      });
+
+      const res = await fetch("/api/auth/register", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+          email: formData.email,
+          password: formData.password,
+          name: formData.fullName,
+          birthday: formData.birthday,
+          plz: formData.plz,
+          city: formData.place,
+          street: formData.street,
+          houseNumber: "",
+          gender: formData.gender,
+        }),
+      });
+
+      const data = await res.json();
+      if (!res.ok) {
+        setErrors({ email: data.error || "Registrierung fehlgeschlagen" });
+        return;
+      }
+
+      toast.info("Bitte Email bestätigen für erfolgreiche Registrierung");
+      formData.resetForm();
+      setStep(1);
+      setErrors({});
+
+      router.push("/login");
+    } catch (err) {
+      if (err instanceof ZodError) {
+        const fieldErrors: Record<string, string> = {};
+        err.issues.forEach((issue) => {
+          const path = issue.path[0];
+          if (typeof path === "string") {
+            fieldErrors[path] = issue.message;
+          }
+        });
+        setErrors(fieldErrors);
+      } else {
+        toast.error(`Registrierung fehlgeschlagen: ${err}`);
+      }
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="flex min-h-screena">
+      {/* Sidebar */}
+      <div className="hidden lg:flex lg:w-1/6 ">
+        <div className="fixed p-4 left-0 top-0 h-screen w-1/2 z-10">
+          <AuthSidebarComponent
+            title="Werde zur besten Version deiner selbst"
+            footer="info@since3.de"
+            isSteps
+            step={step}
+            totalSteps={2}
+            onStepChange={setStep}
+          />
+        </div>
+      </div>
+
+      <div className="w-full lg:w-5/6 lg:ml-auto flex justify-center items-center min-h-screen px-4">
+        <div className="w-full max-w-lg flex flex-col gap-4 z-20">
+          <h1 className="text-2xl font-extrabold text-blue mb-8 mt-8 ">Sign up for free</h1>
+
+          {step === 1 && (
+            <>
+              <InputComponent
+                isLabel
+                label="Vor- und Nachname"
+                type="text"
+                id="register-user-fullName"
+                value={formData.fullName}
+                onChange={(e) => handleChange("fullName", e.target.value)}
+                error={errors.fullName}
+              />
+              <InputComponent
+                isLabel
+                label="E-Mail"
+                type="email"
+                id="register-user-email"
+                value={formData.email}
+                onChange={(e) => handleChange("email", e.target.value)}
+                error={errors.email}
+              />
+
+              <InputComponent
+                isLabel
+                label="Passwort"
+                type="password"
+                id="register-user-password"
+                value={formData.password}
+                onChange={(e) => handleChange("password", e.target.value)}
+                error={errors.password}
+              />
+              <InputComponent
+                isLabel
+                label="Passwort bestätigen"
+                type="password"
+                id="register-user-passwordConform"
+                value={formData.passwordConfirm}
+                onChange={(e) => handleChange("passwordConfirm", e.target.value)}
+                error={errors.passwordConfirm}
+              />
+
+              <Button className="w-full mt-6" onClick={handleNext}>
+                Weiter
+              </Button>
+            </>
+          )}
+
+          {step === 2 && (
+            <>
+              <InputComponent
+                isLabel
+                label="Geburtsdatum"
+                type="date"
+                id="register-user-birthday"
+                value={formData.birthday}
+                onChange={(e) => handleChange("birthday", e.target.value)}
+                error={errors.birthday}
+              />
+              <InputComponent
+                isLabel
+                label="PLZ"
+                type="text"
+                id="register-user-plz"
+                value={formData.plz}
+                onChange={(e) => handleChange("plz", e.target.value)}
+                error={errors.plz}
+              />
+
+              <InputComponent
+                isLabel
+                label="Wohnort"
+                type="text"
+                id="register-user-place"
+                value={formData.place}
+                onChange={(e) => handleChange("place", e.target.value)}
+                error={errors.place}
+              />
+              <InputComponent
+                isLabel
+                label="Straße und Hausnummer"
+                type="text"
+                id="register-user-street"
+                value={formData.street}
+                onChange={(e) => handleChange("street", e.target.value)}
+                error={errors.street}
+              />
+
+              <DropdownComponent
+                label="Geschlecht"
+                selected={formData.gender}
+                onSelect={(value: string) => handleChange("gender", value)}
+                error={errors.gender}
+              />
+
+              <Button onClick={handleRegister} disabled={loading} className="w-full mt-6">
+                {loading ? <Spinner /> : "Anmelden"}
+              </Button>
+            </>
+          )}
+
+          <hr className="mt-6 border-blue" />
+
+          <div className="flex flex-col sm:flex-row gap-4 mt-4">
+            <AuthButton Icon={FaGoogle} label="Login mit Google" />
+            <AuthButton Icon={FaFacebook} label="Login mit Facebook" />
+          </div>
+
+          <div className="flex flex-col sm:flex-row gap-2 items-center mt-8 text-sm">
+            <p>Ich habe schon einen Account</p>
+            <p className="text-yellow hover:underline cursor-pointer">Login</p>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default RegisterUserView;

src/modules/auth/validation/userRegisterSchema.ts

@@ -0,0 +1,50 @@
+import { z } from "zod";
+
+export const userRegisterStep1Schema = z
+  .object({
+    fullName: z.string().min(2, "Name ist zu kurz"),
+    email: z.string().email("Ungültige E-Mail-Adresse"),
+    password: z
+      .string()
+      .min(8)
+      .regex(
+        /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[.@$!%*?&])[A-Za-z\d.@$!%*?&]+$/,
+        "Passwort muss mindestens 8 Zeichen haben, Großbuchstaben, Kleinbuchstaben, Nummer und ein spezielles Zeichen beinhalten"
+      ),
+    passwordConfirm: z.string(),
+  })
+  .refine((data) => data.password === data.passwordConfirm, {
+    message: "Passwörter stimmen nicht überein",
+    path: ["passwordConfirm"],
+  });
+
+export const userRegisterSchema = z
+  .object({
+    fullName: z.string().min(2, "Name ist zu kurz"),
+    email: z.string().email("Ungültige E-Mail-Adresse"),
+    password: z
+      .string()
+      .min(8)
+      .regex(
+        /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[.@$!%*?&])[A-Za-z\d.@$!%*?&]+$/,
+        "Passwort muss mindestens 8 Zeichen haben, Großbuchstaben, Kleinbuchstaben, Nummer und ein spezielles Zeichen beinhalten"
+      ),
+    passwordConfirm: z.string(),
+    birthday: z.string().min(1, "Geburtsdatum erforderlich"),
+    plz: z.string().min(1, "PLZ erforderlich"),
+    place: z.string().min(1, "Wohnort erforderlich"),
+    street: z.string().min(1, "Straße erforderlich"),
+    gender: z
+      .enum(["Men", "Woman", "Various"])
+      .or(z.literal(""))
+      .refine((val) => val !== "", {
+        message: "Geschlecht ist erforderlich",
+      }),
+    role: z.literal("user").optional(),
+  })
+  .refine((data) => data.password === data.passwordConfirm, {
+    message: "Passwörter stimmen nicht überein",
+    path: ["passwordConfirm"],
+  });
+
+export type UserRegisterSchema = z.infer<typeof userRegisterSchema>;